28698215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63073}}^1$

素因数の和:63098

約数の個数: 16

約数和(自身を含む): 42385728

約数和(自身を除く): 13687513

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63073, 315365, 441511, 819949, 2207555, 4099745, 5739643, 28698215]

約数ペア:

[(1, 28698215), (5, 5739643), (7, 4099745), (13, 2207555), (35, 819949), (65, 441511), (91, 315365), (455, 63073)]